Electric-switch structure.



S. R. NAGINEY.

ELECTRIC SWITCH STRUCTURE.

APPLICATION men MAR. 11. me.

1,2,5Q, Patented May 8, 1917 JIM I cated between cars of a train.

ran sra rns rain @FFIfiE.

SAMUEL R. ivAGmEY, 0F BREMEN, 01110, AssIeivoR or ONE-HALF T0 CLARENCEE.

. MAXWELL, OF BREMEN, OHIO.

ELECTRIC-SWITCH STRUCTURE.

Bremen, in the county of Fairfield and State of Ohio, have inventedcertain new and useful Improvements in Electric-Switch Structures, ofwhich the following is a specification.

"My invention structure designed for use in connection with electric orsteam trains. My invention may be used as a means of telephoning fromthe rear to the front of a train, or it may be used for completing anytype of electric circuit necessary.

The main object of my invention resides in a peculiar structure designedto be used in connection with the jointed air line lo The structure isso arranged that the movements necessary for breaking this air linewill, of their own accord, break the electric circuit.

The preferred embodiment of. my invention is shown in the accompanyingsheet of drawings, in which similar characters of re erence designatecorresponding parts, and

in which Figure l is a. view in side elevation of the rear portion of afreight train showing my invention in use thereon,

Fig. 5 is a view in side elevation showing the manner in which theconducting wire is joined to the air hose,

Fig. 6 is a top plan view of the electric coupler used by me, and,

Fig.- 7 is a cross section of. the structure shownin Fig. 6.

It will be understood that my invention is not limited to use inconnection with freight; trains or steam trams, but also 1ncludeselectric trams. Also, the particular use to which my invention may beput is not essential, since it is applicable to all types of electriccircuits. In Fig.1, I have illustrated the rear end of afreight trainwherein the box car is designated by the reference numeral 1, while the,caboose 1s desig- Speificationfof Letters Iatent.

the train.

relates to an electric switch- Patented May 8, 1917.

Application filed March 17, 19161 Serial No. 84,993.

nated by the reference numeral 2. At 3, I

have shown a telephone, the wires 4 and 5- of which carry currentscommunicating with a similar instrument in the forward part of One ofthese wires is connected with the truck of the caboose inorder to form aground connection, whilethe opposite wire is intended to be insulated upto the forward instrument. It is in connection with this wire that myinvention may be resorted to. This wire is strung along beneath the carin any desired manner as by being attached to or coiled about the airpipe (5. These various air pipes 6 are connectcd to each other by meansof the hose sections 7 and the twin coupler members 8. This air lineconnection is of the conventional type. the coupler members 8 beingprovided with shouldered portions 9, whose meeting faces are inclined topresent wedge surfaces so that when the sections are united and droppedto the position shown in F 1, the two coupler sections 8 will be wedgedtoward each other by their mutual action, which makes the pivot centerof this connection at 10. Mounted upon each of these coupler members isswitch section of the type shown in perspective in Fig. The

various switch sections are interchangeable with each other and .eachcomprises a base portion 11 which base may be attached to the couplersections by means ofthe screws shown at 12. ries an upstanding socketportion formedby the straps l3 and LL and the latter is also providedwith a longitudinally extending knife 15. The socket and knife areoffset laterally a slight extent and arev so arranged that the knife 15on one member fits into the socket on the other member. To each of theseswitch sections there is attached a conducting wire 16 leading throughthe body of each hose section, as is shown at 17. I have resorted tothis type of construction in order to reduce thdwear on-the wire itself,for wereit exposed there would be added danger of the insulatingcovering becoming broken or entirely removed and thereby cause a shortcircuit. The portion 18 of this wire leading out of the upper-end ofeach hose section is joined to the wire 19 located beneath each of thecars by means of the couplermember shown at-QO, which coupler may be ofany preferred construction and which is shown in the present em- Eachbase section further car= bodiment as comprising cooperating platesections 21, each provided with a pair of grooves 22 and these platespressed toward each other by means of the bolt and nut structure shownat 23. In order to insulate these couplers from the air pipes 6, I haveprovided each of the latter with a sleeve of insulation designated 24:.The wires leading to the coupler are caused'to pass through the flanges25 forming a portion of the sleeve and in this manner the coupler isheld in its correct position as Well as beinginsulated from the metalpiping 6. V

. I have resorted to the use of the switch construction principally forthe reason that the metal coupler sections 8 frequentlybe come corrodedor covered with non-conducting material in such manner that a perfect Itwill further be noted that making the switch sections interchangeable,provides each connection with two knife arms 15 and also two sockets.'l.l1crefore, there 'is extremely little likelihood of an imperfectconnection.

What I claim,. is:

1. The combination with the jointed air line between cars comprising apair of hose sections, pivotally connected coupling members carried bysaid hose sections, ofa switch socket member and a switch knife member,

one carried on the top side of each of said,

coupler members so that when the coupler members are given a pivotaluncoupling movement, said switch sections will be disc nnected.

2. The combination with the jointed air line between cars comprising apair of hose sections and pivot-ally connected coupler members carriedby said hose'sections, of

switch socket member and a switch knife member, both carried by each ofsaid coupler members, so that when the coupler members are given apivotal uncoupling movement the switch sections will be disconnected.

3. The combination with the jointed air line between cars comprising apair of hose sections and pivotally connected coupler members carried bysaid hose sections, of interchangeable switch sections, one carried v byeach of said coupler members, each section comprising a knife portionand a laterf' ally disposed socket portion for receiving the knife onthe other section.

In testimony whereof I affix my signature in presence of two witnesses.

' SAMUEL R. NAGINEY. Witnesses A. D. I-Iurronn, L. H. KENNEDY.

